Finding the Fourth Proportional to 42,090.52, 58,086.32 and 23,229.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,090.52 : 58,086.32 = 23,229.40 : x
2. Step 2: Convert to fraction form
   42,090.52/58,086.32 = 23,229.40/x
3. Step 3: Cross multiply
   42,090.52x = 58,086.32 × 23,229.40
4. Step 4: Simplify right side
   42,090.52x = 1,349,310,361.81
5. Step 5: Solve for x
   x = 1,349,310,361.81/42,090.52
6. Step 6: Final answer
   x = 32,057.35